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On February 10, 2021, the Consumer Price Index program published incorrect December values for 29 seasonally adjusted CPI-U special relative series in the database. The incorrect data was also published in tables 2 and 6 in the news release, as well as the CPI-U news release companion file. The erroneous data have been replaced in the database and relevant tables. For more information on the impacted series please visit this errata page.